Ameren CORP Form 4 insider transactions

Gwendolyn G. Mizell, SVP & CSO of an Ameren subsidiary, sold 1,500 shares of common stock for $99.50 per share on September 3, 2025.

An Ameren Corporation executive, Gwendolyn G. Mizell, reported the sale of 1,000 shares of common stock at $101.79 per share.

An Ameren Corporation executive reported the transfer of 796 shares of common stock at no cost, executed under a Rule 10b5-1 plan.

Ameren's Senior Executive VP & CFO, Michael L. Moehn, disclosed the future sale of 6,500 shares of common stock at $102.54 per share, executed under a Rule 10b5-1 plan.

Senior Executive VP & CFO of Ameren Corp, Michael Moehn, reports the sale of 6,500 shares of common stock at $98.62 per share on May 20, 2025.

Gwendolyn G. Mizell, SVP & CSO of an Ameren Corp subsidiary, reports a transaction involving common stock, including shares withheld for tax obligations and shares held in a 401(k).

Mark C. Lindgren, EVP & Chief HR Officer of Ameren Corp's subsidiary, reports stock transactions including acquisitions and disposals of common stock.

Catherine Brune, a director of Ameren Corp, reported the disposition of 620 common stock shares on March 12, 2025.

Martin J. Lyons, Chairman, President & CEO of Ameren Corp, reports acquisition and holding of company stock as of March 6, 2025.

Shawn E. Schukar, Chmn & President of Subsidiary at Ameren Corp, reports stock transactions including shares withheld for tax obligations and shares sold under a 10b5-1 trading plan.

Executive Vice President Chonda J. Nwamu of Ameren Corp reports the acquisition and disposal of company stock, including shares withheld for tax obligations and sales on the open market.

Mark Lindgren, EVP & Chief HR Officer of Ameren Corp's subsidiary, reports the sale and acquisition of company stock, including shares withheld for tax obligations and sales under a 10b5-1 trading plan.

Martin J. Lyons Jr., Chairman, President & CEO of Ameren Corp, reports stock sales and tax-related share withholding.

Fadi M. Diya, SVP & CNO of a subsidiary of Ameren Corp, reports the disposition of shares to cover tax obligations and holdings in a 401(k).

Theresa A. Shaw, SVP of Finance and CAO at Ameren Corp, reports the acquisition and disposal of company stock, including shares withheld for tax obligations.

Michael Moehn, Sr Executive VP & CFO of Ameren Corp, reports acquisition and disposal of company stock in a recent SEC filing.

Stephen C. Lee, VP, Interim GC & Secretary of Ameren Corp, reports acquisition and disposal of company stock in a recent SEC filing.

Leonard P. Singh, Chmn & President of Subsidiary at Ameren Corp, reports changes in beneficial ownership of company stock due to tax withholding and 401(k) holdings.

Gwendolyn G. Mizell, SVP & CSO of an Ameren Corp subsidiary, reports stock transactions including shares withheld for tax obligations and holdings in a 401(k).

Mark C. Birk, Chmn & President of Subsidiary at Ameren Corp, reports transactions involving common stock, including shares withheld for tax obligations and shares acquired from a family trust liquidation.

Theresa A. Shaw, SVP, Finance and CAO of Ameren Corp, reports the acquisition and disposal of company stock.

Michael Moehn, Sr Executive VP & CFO of Ameren Corp, reports the sale of 6,500 shares of common stock at $97.54 per share on February 20, 2025.

Director Craig S. Ivey of Ameren Corp reports purchasing 2,716 shares of common stock at $98.27 per share on February 19, 2025.

Director Rafael Flores sold 1,900 shares of Ameren Corp common stock at an average price of $97.93 on February 19, 2025.

Mark C. Birk, Chmn & President of Subsidiary at Ameren Corp, reports acquisition of common stock and restricted stock units.

Fadi M. Diya, SVP & CNO of a subsidiary of Ameren Corp, reports acquisition of common stock and restricted stock units.

Leonard P. Singh, Chmn & President of Subsidiary at Ameren Corp, reports acquisition and disposal of common stock and restricted stock units.

Shawn E. Schukar, Chmn & President of Subsidiary at Ameren Corp, reports acquisition of shares through restricted stock units and vesting of performance share units.

Senior Executive VP & CFO of Ameren Corp, Michael L. Moehn, reports acquisition of restricted stock units and shares from vesting performance share units.

Executive Vice President Chonda J. Nwamu reports acquisition and disposal of Ameren Corp stock, including shares from vested performance units and dividend reinvestments.